Running board



FIG. 1 is a front perspective view of a running board showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom view.

It will be understood that the broken lines shown in the drawings illustrate portions of the running board that form no part of claimed design. 

CLAIM I claim, the ornamental design for a running board, as shown and described. 